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present weather 
All atmospheric phenomena observed, with the exception of clouds; this includes forms of precipitation as well as optical and electrical phenomena.
light continuous drizzle 
mist 
Light fog that does not limit visibility to 1 km.
fog 
Condensation of water vapor resulting in the suspension of microscopic droplets that reduce visibility to less than 1 km.
haze 
Mist composed of minuscule particles of dust, smoke, sand and other impurities; it gives the air a murky quality.
smoke 
Solid or liquid particles suspended in the air; they are produced by various forms of combustion.
thick intermittent drizzle 
moderate continuous drizzle 
moderate intermittent drizzle 
light intermittent drizzle 
Drizzle: uniform continuous precipitation of water droplets that fall very slowly and are between 0.2 and 0.5 mm in diameter.
thick continuous drizzle 